Home / 374,296.87-561,327.55-121,518.96

Finding the Fourth Proportional to 374,296.87, 561,327.55 and 121,518.96

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Solution

The fourth proportional to 374,296.87, 561,327.55 and 121,518.96 is: 182,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,296.87 : 561,327.55 = 121,518.96 : x
  2. Step 2: Convert to fraction form
    374,296.87/561,327.55 = 121,518.96/x
  3. Step 3: Cross multiply
    374,296.87x = 561,327.55 × 121,518.96
  4. Step 4: Simplify right side
    374,296.87x = 68,211,937,288.71
  5. Step 5: Solve for x
    x = 68,211,937,288.71/374,296.87
  6. Step 6: Final answer
    x = 182,240.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.